Home / 47,341.64-71,040-19,257.32

Finding the Fourth Proportional to 47,341.64, 71,040 and 19,257.32

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Solution

The fourth proportional to 47,341.64, 71,040 and 19,257.32 is: 28,897.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,341.64 : 71,040 = 19,257.32 : x
  2. Step 2: Convert to fraction form
    47,341.64/71,040 = 19,257.32/x
  3. Step 3: Cross multiply
    47,341.64x = 71,040 × 19,257.32
  4. Step 4: Simplify right side
    47,341.64x = 1,368,040,012.80
  5. Step 5: Solve for x
    x = 1,368,040,012.80/47,341.64
  6. Step 6: Final answer
    x = 28,897.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.